Later arrival of trichs, as I mentioned in a previous thread, is to protect the seed from the degrading affects of light and heat. The plant is out to do one thing, not gather more light to grow big, which it would if it had enough energy left over. The plant wants to produce seed, period. Keep this in mind when thinking about the trich; seed production. This is why the highest concentration of trichs, by far, is on the seed bract, not the fan leaves.

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